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University · N'Djamena · Chad

University of N'Djamena

In research, University of N'Djamena stands highest in Physical Sciences (#10,936 of 12,888 worldwide), Life Sciences (#6,735 of 7,800 worldwide) and Medicine (#9,081 of 10,443 worldwide), 2022–2025.

universite-ndjamena.tdROR OpenAlex
World rank, 2022–2025
#14,305
of 28,054 · #19,511 all time
Research works
868
▲ 122% vs 2013–17
Citations
4.5k
5.1 per fractional work
Top-10% rate
7.2%
record average 16.5%
Open access
79%
world 28%

What is University of N'Djamena known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #10,936 of 12,888 7.0%102 #15856
Life SciencesDomain #6,735 of 7,800 5.8%79 #10726
MedicineField #9,081 of 10,443 4.1%114 #16227
Health SciencesDomain #10,420 of 11,982 4.4%132 #18124

Each strip is that field’s whole ranked pool, with the notch where University of N'Djamena sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Physical Sciences#15,856 #10,936
  2. Life Sciences#10,726 #6,735
  3. Medicine#16,227 #9,081
  4. Health Sciences#18,124 #10,420
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 3.24× its world share, 56 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.67× its world share, 13 worksBiochemistry, Geneti…Immunology and Microbiology: 1.78× its world share, 6 worksImmunology and Micro…Neuroscience: 0.17× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.38× its world share, 2 worksPharmacology, Toxico…Chemical Engineering: 0.13× its world share, 0 worksChemical EngineeringChemistry: 0.15× its world share, 1 worksChemistryComputer Science: 0.88× its world share, 25 worksComputer ScienceEarth and Planetary Sciences: 1.34× its world share, 8 worksEarth and Planetary …Energy: 1.02× its world share, 3 worksEnergyEngineering: 0.53× its world share, 29 worksEngineeringEnvironmental Science: 1.28× its world share, 23 worksEnvironmental ScienceMaterials Science: 0.28× its world share, 4 worksMaterials ScienceMathematics: 1.27× its world share, 5 worksMathematicsPhysics and Astronomy: 0.53× its world share, 4 worksPhysics and AstronomyDentistry: 0.34× its world share, 1 worksDentistryHealth Professions: 0.96× its world share, 9 worksHealth ProfessionsMedicine: 1.63× its world share, 114 worksMedicineNursing: 4.50× its world share, 8 worksNursingVeterinary: 0.21× its world share, 0 worksVeterinaryArts and Humanities: 0.37× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 0.33× its world share, 4 worksBusiness, Management…Decision Sciences: 0.19× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.34× its world share, 10 worksEconomics, Econometr…Psychology: 0.15× its world share, 2 worksPsychologySocial Sciences: 0.67× its world share, 31 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Nursing, 4.5×. Every wedge is a field page.

Who are the top researchers at University of N'Djamena?

Ranked on the composite score, Abdelsalam Tidjani, Andossa Likius and Ali Mahamat Moussa lead among researchers whose main affiliation is University of N'Djamena.

  1. 1 Abdelsalam Tidjani Chad · #1,145,375 worldwide 12 citations · 23 works
  2. 2 Andossa Likius Chad · #1,481,729 worldwide 42 citations · 17 works
  3. 3 Ali Mahamat Moussa Chad · #1,534,013 worldwide 4 citations · 30 works
All ranked researchers at University of N'Djamena

Which keywords describe research at University of N'Djamena?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Smallholder Farmers, Adaptation, Climate Change, Immune Response, Diversity, Agricultural Development and Livestock Farming.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology39▲ 2.7×68 topics
  2. Climate Change25▲ 2.5×37 topics
  3. Sustainability19▲ 2.1×21 topics
  4. Smallholder Farmers16▲ 20×3 topics
  5. Adaptation15▲ 15×4 topics
  6. Immune Response14▲ 6.8×13 topics
  7. Treatment12▲ 2.8×23 topics
  8. Diversity11▲ 18×4 topics
  9. Agricultural Development11▲ 18×2 topics
  10. Global Burden11▲ 5.6×11 topics
  11. Livestock Farming11▲ 48×1 topic
  12. Work Organization11▲ 70×1 topic
  13. Diagnosis10▲ 2.9×19 topics
  14. Maternal Mortality10▲ 12×5 topics
  15. Economic Growth9▲ 3.0×13 topics
  16. Genetic Diversity9▲ 5.7×13 topics
  17. Antioxidant9▲ 3.5×20 topics
  18. Diabetes9▲ 4.8×8 topics
  19. Vaccine8▲ 5.3×9 topics
  20. Drug Resistance7▲ 7.0×7 topics
  21. Sustainable Agriculture7▲ 6.1×5 topics
  22. Climate Resilience7▲ 31×3 topics
  23. Community Health Workers7▲ 23×2 topics
  24. Health Benefits7▲ 5.8×10 topics
  25. Nutritional Value7▲ 17×2 topics
  26. Child Mortality7▲ 26×1 topic
  27. Health Inequalities7▲ 15×2 topics
  28. Health Systems7▲ 26×1 topic
  29. Vaccine Development7▲ 7.2×7 topics
  30. Antiviral Therapy6▲ 18×3 topics
  31. Governance6▲ 5.3×4 topics
  32. Liver Disease6▲ 18×2 topics
  33. Flavonoids6▲ 6.2×7 topics
  34. Hepatocellular Carcinoma6▲ 7.5×4 topics
  35. Agroforestry6▲ 24×2 topics
  36. Antiretroviral Therapy6▲ 9.5×6 topics
  37. Indigenous Fruits6▲ 64×1 topic
  38. Maternal and Child Undernutrition6▲ 18×1 topic
  39. Tree Domestication6▲ 64×1 topic
  40. Water Sanitation Hygiene6▲ 18×1 topic

Which research topics does University of N'Djamena publish most on?

By volume in 2022–2025: Agriculture and Rural Development Research, Global Maternal and Child Health, African Botany and Ecology Studies and Child Nutrition and Water Access.

Agriculture and Rural De…11Agriculture and Rural Development Research: 11 fractional worksGlobal Maternal and Child Health: 7 fractional worksAfrican Botany and Ecolo…6African Botany and Ecology Studies: 6 fractional worksChild Nutrition and Wate…6Child Nutrition and Water Access: 6 fractional worksEconomic Growth and Development: 4 fractional worksAnimal Diversity and Health Studies: 4 fractional worksRangeland Management and…4Rangeland Management and Livestock Ecology: 4 fractional worksHepatitis B Virus Studies: 4 fractional worksGroundwater and Watershed Analysis: 3 fractional worksMalaria Research and Control: 3 fractional works
Ecology, Evolution, Behavior and SystematicsPediatrics, Perinatology and Child HealthForestryNutrition and Dietetics6 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Agriculture and Rural Development Research Ecology, Evolution, Behavior and Systematics 11 works
  2. 2 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 7 works
  3. 3 African Botany and Ecology Studies Forestry 6 works
  4. 4 Child Nutrition and Water Access Nutrition and Dietetics 6 works
  5. 5 Economic Growth and Development Information Systems 4 works
  6. 6 Animal Diversity and Health Studies Food Science 4 works
  7. 7 Rangeland Management and Livestock Ecology Management, Monitoring, Policy and Law 4 works
  8. 8 Hepatitis B Virus Studies Epidemiology 4 works
  9. 9 Groundwater and Watershed Analysis Environmental Engineering 3 works
  10. 10 Malaria Research and Control Public Health, Environmental and Occupational Health 3 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available78.6%not open21.4%

World: 28% of research is openly available.

with international co-authors56.7%domestic only43.3%

World: 19% is written across borders.

How has University of N'Djamena's research output changed?

Output in 2018–2022 was 122% higher than in 2013–2017.

200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in N'Djamena

All research institutions in N'Djamena

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.